Promo code valid on specified offer dates and must be mentioned at the time of purchase. Cannot be applied to purchases outside of offer dates. Only (1) promo code may be used per order. Cannot be combined with any other offer or discount, including project registration pricing. Discount percentages are based off Lot Pricing. Promotion is available for web orders, unless otherwise scpecified, and do not apply to vendor drop shipments. Promotions subject to change.